Good time of day @BLUETTI_CARE,
I am writing to report a instability issue with my Bluetti Premium 200, purchased 6 days ago.
Firmware Update Instability
The device functioned perfectly for the first 3 days. However, immediately after installing the latest firmware update via the Bluetti App, the unit started behaving erratically.
Symptoms:
Random Switching: The device frequently switches from grid bypass to battery power autonomously, causing unnecessary battery cycling.
No-Load Issue: I have tested the unit completely without any load connected, and the problem persists.
Constant Recharging: The battery constantly engages in recharging cycles even when it is already at a full charge of 100%.
Grid Context:
My facility is equipped with a dedicated power quality monitoring system. No voltage drops or frequency fluctuations were recorded on the input grid during these events. The issue appears to be caused solely by the device/firmware logic, not the AC input quality.
Device Condition & History Verification
I also request assistance in verifying if this unit was brand new upon purchase.
Observations: Upon unboxing, I noticed minor physical wear on the casing. Furthermore, before the firmware update, I checked the BMS “Protection Status” log, and it contained a large history of protection triggers. The update unfortunately wiped these logs.
Request: Is there a way to check the total Battery Cycle Count or Total Runtime Hours via the engineering menu or specific parameters? I need to confirm the device’s usage history.
Device Information:
Model: Bluetti Premium 200
SN: PR200V22524000062065
Current Firmware Versions:
IoT v8024.12
ARM v2189.05
DSP v2188.03
BMS v1081.02
Please advise on how to stabilize the AC input switching or roll back the firmware, and how to verify the battery health data?